java - 无法使我的 spring boot 应用程序与 jsp 一起工作

Question

我的 spring boot 网络应用程序有问题。它使用嵌入式 jetty (它必须是 jetty - 而不是tomcat)并且它使用jsp View 。但似乎没有办法使嵌入式 jetty 与 jsp View 一起工作。实际上，当我运行 mu app 服务器时成功启动，但是当我尝试访问我的 web 应用程序的任何 url 时 - 我收到错误:

org.apache.jasper.JasperException: java.lang.IllegalStateException: No Java compiler available
    at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:591) ~[apache-jsp-8.0.27.jar:2.3]
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:397) ~[apache-jsp-8.0.27.jar:2.3]
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396) ~[apache-jsp-8.0.27.jar:2.3]
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340) ~[apache-jsp-8.0.27.jar:2.3]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) ~[javax.servlet-api-3.1.0.jar:3.1.0]
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812) ~[jetty-servlet-9.2.17.v20160517.jar:9.2.17.v20160517]
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) ~[jetty-servlet-9.2.17.v20160517.jar:9.2.17.v20160517]
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199) ~[spring-security-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) ~[jetty-servlet-9.2.17.v20160517.jar:9.2.17.v20160517]
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:108) ~[spring-security-web-3.2.5.RELEASE.jar:3.2.5.RELEASE]
......................
Caused by: java.lang.IllegalStateException: No Java compiler available
at org.apache.jasper.JspCompilationContext.createCompiler(JspCompilationContext.java:231) ~[apache-jsp-8.0.27.jar:2.3]
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:577) ~[apache-jsp-8.0.27.jar:2.3]
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363) ~[apache-jsp-8.0.27.jar:2.3]

我怎样才能让它发挥作用？有什么办法吗？如果无法使用 spring boot，那么有哪些替代方法可以让我的应用程序在带有 jsp 的嵌入式 jetty 上运行？

这是我在 github 上的项目的链接.请看看它并帮助我!如果您尝试在您的 IDE(推荐使用 IntelliJ IDEA)中运行它并找到问题的原因，那就太好了。

更新 1(2016 年 7 月 15 日)

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [sample.jetty.jsp.SampleJettyJspApplication]; nested exception is java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:187) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:321) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:243) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:273) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:98) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:369) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:313) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1185) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1174) [spring-boot-1.4.0.RC1.jar:1.4.0.RC1]
    at sample.jetty.jsp.SampleJettyJspApplication.main(SampleJettyJspApplication.java:33) [classes/:na]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_65]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_65]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_65]
    at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_65]
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:144) [idea_rt.jar:na]
Caused by: java.lang.IllegalStateException: Failed to introspect annotated methods on class org.springframework.boot.web.support.SpringBootServletInitializer
    at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:163) ~[spring-core-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:300) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:237) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:204) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:173) ~[spring-context-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    ... 17 common frames omitted
Caused by: java.lang.NoClassDefFoundError: javax/servlet/ServletContext
    at java.lang.Class.getDeclaredMethods0(Native Method) ~[na:1.8.0_65]
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[na:1.8.0_65]
    at java.lang.Class.getDeclaredMethods(Class.java:1975) ~[na:1.8.0_65]
    at org.springframework.core.type.StandardAnnotationMetadata.getAnnotatedMethods(StandardAnnotationMetadata.java:152) ~[spring-core-4.3.1.RELEASE.jar:4.3.1.RELEASE]
    ... 21 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContext
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_65]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_65]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[na:1.8.0_65]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_65]
    ... 25 common frames omitted

Answer 1

您正在使用 Spring Boot 1.3.6 并且在 JSP limitations section of the documentation 中它说:

Jetty does not currently work as an embedded container with JSPs.

有 an enhancement即将在 Spring Boot 1.4 中推出，这意味着只要您使用 war 包装，JSP 就可以与嵌入式 Jetty 一起工作。如果您不想等待 1.4.0 发布，增强功能在 1.4.0.RC1 中，可从 https://repo.spring.io/libs-milestone 获得。 .还有一个 new sample application这可能很有趣。